APA (7th ed.) Citation

Symposium on the Origin and Distribution of the Elements Paris, Unesco, International Union of Geological Sciences, & Ahrens, L. H. (1968). Origin and distribution of the elements (1st ed.].). Pergamon Press.

Chicago Style (17th ed.) Citation

Symposium on the Origin and Distribution of the Elements Paris, Unesco, International Union of Geological Sciences, and L. H. Ahrens. Origin and Distribution of the Elements. 1st ed.]. Oxford, New York: Pergamon Press, 1968.

MLA (9th ed.) Citation

Symposium on the Origin and Distribution of the Elements Paris, et al. Origin and Distribution of the Elements. 1st ed.]. Pergamon Press, 1968.